Merged PR 1862: #5168

- feat(oms-data-access): fix return process entity validation in startProcess

Refs: #5168

libs/oms/data-access/src/lib/stores/return-process.store.spec.ts

@@ -5,7 +5,7 @@ import { ProcessService } from '@isa/core/process';
 import { patchState } from '@ngrx/signals';
 import { setAllEntities, setEntity } from '@ngrx/signals/entities';
 import { unprotected } from '@ngrx/signals/testing';
-import { Product, Receipt, ReturnProcess } from '../models';
+import { Product, ReturnProcess } from '../models';
 import { CreateReturnProcessError } from '../errors/return-process';
 
 const TEST_ITEMS: Record<number, ReturnProcess['receiptItem']> = {

libs/oms/data-access/src/lib/stores/return-process.store.ts

@@ -153,7 +153,9 @@ export const ReturnProcessStore = signalStore(
         throw err;
       }
 
-      if (returnableItems.length !== params.returns.length) {
+      if (
+        returnableItems.length !== params.returns.flatMap((r) => r.items).length
+      ) {
         const err = new CreateReturnProcessError(
           CreateReturnProcessErrorReason.MISMATCH_RETURNABLE_ITEMS,
           params,